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12G Dark Storm™

Ultimate Performance Competition

Building on the blistering performance of the 28grm Dark Storm™ game load, this competition load is designed for extreme Sporting clay targets and FITASC, delivering devastating performance and patterns at the longest range. Loaded with Gamebore's exclusive Diamond Shot®.

Continental sized Diamond Shot®

All cartridges should be stored at room temperature in a dry location. Adverse temperatures may affect performance. Do not expose to extreme temperatures.



Ultra high performance with a muzzle velocity of 1550 feet per second.


Diamond Shot

Our precision shot produced here at Gamebore. Graded 5 times.


Technical performance

Velocity x Distance

The following graph shows the relationship between Velocity (MPS) and Distance (M) for the shot selected from the table below.

Cartridge Load gms Shot Size WAD Length mm Muzzle Velocity FPS Velocity MPS V1
12G Dark Storm™ 28 7.5, 8 Fibre 20/70 1550 440
12G Dark Storm™ 28 6.5, 7.5, 8 Plastic 20/70 1550 440

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